LLF

Hi All---Well I'm not only new to this forum, I'm also new to candle making. And...I need a little help, please. I want to make aromatherapy candles and I know it is difficult to capture a good throw. I've looked at past messages here but am wondering if there is anything more that could be added. Also, regarding clean-up of veggie waxes.....I understand it is soap and water! Is it safe to dump the used water into a septic systems ?? Many thanks!